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fwv

Hive COUNT query fails with both Spark and MapReduce execution engines: Spark client creation failed and MapRedTask returns error code 2

hive> SELECT COUNT(*) FROM grades; Query ID = root_20251008102316_5a87bba2-fac6-467e-8d5c-07233e835b4d Total jobs = 1 Launching Job 1 out of 1 In order to change the average load for a reducer (in...